4000121162 has 8 divisors (see below), whose sum is σ = 6026384100. Its totient is φ = 1991326464.

The previous prime is 4000121123. The next prime is 4000121179. The reversal of 4000121162 is 2611210004.

It can be written as a sum of positive squares in 2 ways, for example, as 3961569481 + 38551681 = 62941^2 + 6209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4000121162.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4366487 + ... + 4367402.

Almost surely, 2^4000121162 is an apocalyptic number.

4000121162 is a deficient number, since it is larger than the sum of its proper divisors (2026262938).

4000121162 is a wasteful number, since it uses less digits than its factorization.

4000121162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8734120.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 4000121162 is about 63246.5110658288. The cubic root of 4000121162 is about 1587.4170795302.

Adding to 4000121162 its reverse (2611210004), we get a palindrome (6611331166).

The spelling of 4000121162 in words is "four billion, one hundred twenty-one thousand, one hundred sixty-two".